#!/usr/bin/env python
"""
The PenTesters Framework (PTF) - Automatic Penetration Testing Platform Creation
Written by: David Kennedy (ReL1K)
Twitter: @TrustedSec, @HackingDave
Website: https://www.trustedsec.com
"""

import sys
import subprocess
import os
import socket


# force https for git
def git_https_force():
    subprocess.Popen('git config --global url."https://github.com/".insteadOf git@github.com:;git config --global url."https://".insteadOf git://', shell=True).wait()

def create_launcher():
    """
    Create a launcher to execute PTF from the commandline.
    """
    cwd = os.getcwd()
    filewrite = open("/usr/local/bin/ptf", "w")
    filewrite.write('#!/bin/sh\ncd %s\nchmod +x ptf\n./ptf "$@"' % (cwd))
    filewrite.close()
    subprocess.Popen("chmod +x /usr/local/bin/ptf", shell=True).wait()


def check_internet():
    """
    Check for internet access.
    """
    try:
        print_status("You can always type ./ptf --no-network-connection to skip the Internet check..")
        print_status("Checking for an Internet connection...")
        rhost = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
        rhost.connect(('google.com', 0))
        rhost.settimeout(2)
        return 1

    except Exception:
        return 0


if __name__ == "__main__":
    # only imports we actually need
    from src.core import print_warning, print_status, print_error

    # some OS doesn't have /usr/local/bin create them if not
    if not os.path.isdir("/usr/local/bin/"):
        os.makedirs("/usr/local/bin/")

    if os.geteuid() != 0:
        print("\nThe Pentesters Framework (PTF) - by David Kennedy (ReL1K)")
        print("\nThis needs to be run as root. Please sudo it up! Exiting...")
        exit()

    try:
        # Bypass network check with argument
        if "--no-network-connection" not in sys.argv[1:]:
            # check internet connection
            if check_internet() == 0:
                print_warning("Unable to detect Internet connection. Needed for PTF.")
                print_warning("We will now exit PTF. Launch again when you got a connection.")
                print_warning("You can also run ptf with the --no-network-connection argument to bypass the network check.")
                sys.exit()

            # force https
            git_https_force()

            # try to update ourself first
            print_status("Trying to update myself first.. Then starting framework.")
            subprocess.Popen("git pull", shell=True).wait()

            # create automatic launcher
            create_launcher()

        # pull in the framework
        import src.framework

        # if we want to skip going into module
        if  "--update-all" in sys.argv[1:]:
            if "-y" in sys.argv[1:]:
                src.framework.handle_prompt("use modules/install_update_all", True)
            else:
                src.framework.handle_prompt("use modules/install_update_all")
        elif "--update-installed" in sys.argv[1:]:
            src.framework.handle_prompt("use modules/update_installed")
        else:
            # or just ask what you want
            src.framework.mainloop()

    except KeyboardInterrupt:
        print("\n")
        print_status("Exiting PTF - the easy pentest platform creation framework.")
        exit()
        sys.exit()

    except Exception as e:
        print_error("[!] DANGER WILL ROBINSON. DANGER WILL ROBINSON. Error has occurred.")
        print_error("[!] It's not possible its due to my coding skillz, it must be you? :-)")
        print_error(("[!] Printing that error. Get that error. You get it: " + str(e)))
